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ALPINE-CVE-2022-48303

ALPINE-CVE-2022-48303 PUBLISHED CVSS 5.5 MEDIUM

GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.

Risk Scores

CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Alpine:v3.18tar1.30-r0, 1.32-r1, 1.31-r0
Alpine:v3.22tar1.28-r1, 0, 1.21-r0
Alpine:v3.21tar1.34-r1, 0, 1.21-r0
Alpine:v3.19tar1.31-r0, 1.22-r1, 1.23-r1
Alpine:v3.17tar1.22-r1, 0, 1.21-r0
Alpine:v3.16tar1.28-r0, 1.30-r0, 1.30-r1
Alpine:v3.23tar1.30-r1, 1.30-r0, 1.29-r1
Alpine:v3.14tar1.27.1-r0, 0, 1.34-r0
Alpine:v3.15tar1.34-r0, 1.33-r0, 1.29-r1
Alpine:v3.20tar1.30-r0, 1.29-r1, 1.29-r0
Alpine:v3.24tar0

Timeline

  • Jan 30, 2023 CVE Published
  • Apr 30, 2026 Distribution Patch
  • Jun 15, 2026 CVE Updated
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